MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881
SHA3-384 hash: 05ec651d469e25769ba2e44318015c013a7d18025abfdeb2efb7e1868b44ad76dc5520f9a7ce11ec83c4994974000d7b
SHA1 hash: 07000f5a5036a98edc8e3a29f3db0fa8543e7bbb
MD5 hash: 7ea8cff3cf265f106c633b08d8e87bbb
humanhash: robin-ink-alabama-jig
File name:PO-31789R3WY-10_docx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:575'488 bytes
First seen:2024-03-15 03:11:45 UTC
Last seen:2024-03-15 04:15:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:6ipwVuvq76cdSleH3imWB6SsWt5etfeX+dSFqORPnef+NALMo:6i/1GdH3im/SsRtmOmtRP4rM
TLSH T1D4C423426F4CC3BBDCAF7F709C4572504BBB920164A2E721697835E8EAD6B714820FD6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
423
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881.exe
Verdict:
Malicious activity
Analysis date:
2024-03-15 03:15:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15d5776e-ef9c-4957-ad08-11e8846e3c08

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/479079/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11123.29532.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65f3bc83204403ca94d47745/reports/58a54ea9-c704-4f9d-9d78-43feaa007427/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c95920b-cbe0-4b90-a1ff-a18f86abfa06
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1409328
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1409328 Sample: PO-31789R3WY-10_docx.exe Startdate: 15/03/2024 Architecture: WINDOWS Score: 100 36 www.xxen81ws7x.shop 2->36 38 www.uggcollectionof.com 2->38 40 12 other IPs or domains 2->40 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 14 other signatures 2->54 11 PO-31789R3WY-10_docx.exe 4 2->11         started        signatures3 process4 signatures5 58 Adds a directory exclusion to Windows Defender 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 PO-31789R3WY-10_docx.exe 11->14         started        17 powershell.exe 22 11->17         started        process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 19 explorer.exe 75 1 14->19 injected 23 WmiPrvSE.exe 17->23         started        25 conhost.exe 17->25         started        process8 dnsIp9 42 www.male9.site 192.74.233.8, 49745, 80 PEGTECHINCUS United States 19->42 44 gksscje.online 84.32.84.32, 49744, 80 NTT-LT-ASLT Lithuania 19->44 46 4 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 27 cscript.exe 12 19->27         started        30 autofmt.exe 19->30         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 32 cmd.exe 1 27->32         started        process13 process14 34 conhost.exe 32->34         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-03-15 00:40:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bh46hfvr5rptz3ifn2yssi2wbyupbj7nd2h3ln2griafvtz2rcaq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m21s rat spyware stealer trojan
Link:
https://tria.ge/reports/240315-dp6tksfa3s/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
642a1c7ce26df96c5da53ad3bce2bb11e2c42e43e35bc29f79c034a3015cadfb
MD5 hash:
25e77be252ea7d97cbe177788e919c21
SHA1 hash:
f3dadfa5859837f420257cb63035a9da5b492c76
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
Parent samples :
d90dd100eb8d2c639e9615f0657073e840f080f8a9a7a75f8f978fd13145fe0c
b42726f4443540c3f83c7dda13ae14f39a143193e5dfb97d03ae4bec6333f364
478bdcdd85ddc7287b5dde32391881591cc77db75412ef5340f5bd3531738245
09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881
SH256 hash:
b18c02279b5016ab433cb11fc68212055966fbe81bb7d7f10d526fb2b61d6454
MD5 hash:
149f6e1717a06c65c1f12b5b06940fa3
SHA1 hash:
d725ed17da37f999989da683ac1f53d50bb217d5
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
SH256 hash:
21ea2f6f9be332d11bdb5cd2860c1151f3ee9673a4a5e2ccaac10d1cfb46bf6e
MD5 hash:
ea2faf10335cbf7b55dd6e82a22382a9
SHA1 hash:
a60d9e8698f5b39aeeda7f4c64429c05a8d65910
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
SH256 hash:
c7b65c024c00424121be603e04c3032bfb1415c2bb12dadcf03c34ee72321c58
MD5 hash:
1c54147f268ac0afa3a41e7c89a79162
SHA1 hash:
221ff832887f8be905fd555f973422b587bacefb
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
SH256 hash:
09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881
MD5 hash:
7ea8cff3cf265f106c633b08d8e87bbb
SHA1 hash:
07000f5a5036a98edc8e3a29f3db0fa8543e7bbb
Link:
https://www.unpac.me/results/4c8b5a7e-6971-4f5a-93ba-c1a180db136a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/09f9e396b1ec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 09f9e396b1ec5f3ced056eb12923560e28f0a7ed1e8fb5b7468a005acf3a8881

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/479079/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments